Top Definition
An extremely large wave coming from the ocean; notably in Cape Cod, Massachusetts. Often mistaken for a Master Wave; however Master Waves are much smaller than Monster Waves. People often boogie-board Monster Waves.
"Oh my gosh, it's a Monster Wave! Let's ride the Monster Wave!"
by North American Wave Society August 30, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt